Fluorite glows below UV light-weight. The fluorescence phenomenon is named right after fluorite, where it had been first observed by George Gabriel Stokes in 1852. Fluorite can glow in many different colors, but most frequently, it occurs in vibrant blue or eco-friendly coloration underneath UV light. Asteroids can be identified https://www.generationgenius.com/videolessons/rocks-and-minerals-video-for-kids/